Spraying dust falling device

The utility model relates to the technical field of spraying dust fall equipment, and provides a spraying dust fall device which comprises a base plate, a plurality of universal wheels are detachably installed on the periphery of the bottom of the base plate, a driving block is fixedly installed on the left side of the top of the base plate, a control block is fixedly installed on the right side of the top of the base plate, and a strip-shaped frame is fixedly installed in the middle of the top of the base plate. A plurality of springs are fixedly mounted at the bottom of an inner cavity of the strip-shaped frame; a bottom plate is fixedly mounted at the tops of the springs; according to the spraying dust falling device, through cooperative use of a protective cover structure and a plastic curtain structure, during use, a protective cover is installed between an atomizing nozzle and an inner rod, the diameter of the protective cover is larger than that of the whole device, and the whole device works through c